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Krenhof AG Austria 10 million die forged parts per year for automotive and commercial vehicle manufacturers

Krenhof AG Austria produces about 10 million die-forged parts per year with 280 employees. The consumers are primarily the automotive industry but also include commercial vehicle manufacturers, the chain industry, the formwork technology industry as well as the mechanical engineering industry. The company is especially at home with complex parts in the medium series range, but offers quality and logistics befitting a high-volume production level.
The company is able to compete and grow thanks to continuous investments and innovations along the entire process chain. Recently, Toolox 44 from SSAB also began to be used as tool steel.

With its special properties, Toolox 44 (~45 HRC/450 HB) assumes a special position. This steel is the best compromise between hardness and toughness. It provides good temperature toughness against the formation of fire cracks while simultaneously being resistant to abrasion. Toolox 44 can easily be worked with using all standard separation and prestressing processes. High purity and excellent toughness are achieved using a process with a low carbon content. As an additional benefit, Toolox is already hardened and tempered on delivery, which saves additional expenditure.

"We use Toolox 44 tool steel for prototypes and small series. The formation of fire cracks is worst at the beginning of the forging, while abrasion is nowhere near as common here. This allows us to refrain from using shielding here without the customer experiencing any disadvantages in terms of surface quality or dimensional stability.

"Today, the customers expect shorter delivery times for their forged products", says Matthias Hartmann, managing director of Krenhof, summarizing his experiences, and adds: "Toolox 44 has even proven itself with demanding molding tool geometries as well. The speed at which one can produce prototypes is often decisive when it comes to being hired as a series supplier."

The Krenhof AG uses state-of-the-art methods in construction and toolmaking and ensures an efficient development process. During the essential production steps of cutting, forging and heat treatment, high-quality machines and dedicated employees are able to keep the tolerances for dimensions, shape and joints very low. For users, this means that their own processes will run better. Rigorous production planning and the online collection of operational data help to ensure that the schedules agreed to are adhered to. This means the customer benefits from reduced downtime and setup times.

Last but not least, this company’s philosophy is to be thanked for the fact that the company has grown by an average of more than 10% per year for the last 15 years.

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